Home / 14,862.06-20,509.53-8,147.97

Finding the Fourth Proportional to 14,862.06, 20,509.53 and 8,147.97

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Solution

The fourth proportional to 14,862.06, 20,509.53 and 8,147.97 is: 11,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.06 : 20,509.53 = 8,147.97 : x
  2. Step 2: Convert to fraction form
    14,862.06/20,509.53 = 8,147.97/x
  3. Step 3: Cross multiply
    14,862.06x = 20,509.53 × 8,147.97
  4. Step 4: Simplify right side
    14,862.06x = 167,111,035.15
  5. Step 5: Solve for x
    x = 167,111,035.15/14,862.06
  6. Step 6: Final answer
    x = 11,244.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.